Sweet spot evaluation and exploration practice of lacustrine shale oil of the second member of Kongdian Formation in Cangdong sag, Bohai Bay Basin

HAN Wenzhong,ZHAO Xianzheng,JIN Fengming,PU Xiugang,CHEN Shiyue,MU Liangang,ZHANG Wei,SHI Zhannan,WANG Hu

Fig. 5. Correlations between TOC and clay content and brittleness index of shale samples from Kong 2 Member, Cangdong sag (see reference [11] for the calculation method of brittleness index BI).